78/4 divided by 90/5

78/4 ÷ 90/5
=
13 12
Mixed Number: 1 1/12
Decimal: 1.083333
Percentage: 108.33%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    90/5 becomes 5/90
  2. 2
    Multiply by reciprocal
    78/4 × 5/90
  3. 3
    Multiply numerators & denominators
    78 × 5 = 390    4 × 90 = 360
  4. 4
    Simplify
    390/360 = 13/12

How to Divide Fractions

To divide fractions, use "Keep, Change, Flip": keep the first fraction unchanged, change the ÷ to ×, then flip the second fraction. Multiply and simplify.

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